People who show affection towards each other and are basically sprung. They cant hear or see anything you do around them because they're too busy caught up in one another. It can be adorable and cute at times, then other times, it's sickening.

Boo Loving means that two people are truly in love. Everytime you see them they are kissing or huging or touching in a romantic way. They are really in love with each other. Even when there not togrther they still think and talk about each other all the time.